A lorry carrying an atomic core reactor to the new Manicougan power complex falls into the hands of the Mysterons who intend to strike the Atlantic Seaboard of North America.
Did You Know?
This is the voice of the Mysterons. We know that you can hear us Earthmen. Disaster will strike the Atlantic seaboard of North America. We will deal a heavy blow to the prestige of the world. We will continue to take our revenge.